1、通过聚合VO对象类型获取

方法：

@Override
public Collection retrieveAll(Class className) throws BusinessException {
	Collection<Object> aggVOs= getQueryService().queryBillOfVOByCond(
			className," 1=1 ",true,false);// true:ignoreDrEquals1,false:bLazyLoad
	return aggVOs;
}

List<XXXAggVO> aggVOs = (List<XXXAggVO>) retrieveAll(XXXAggVO.class);

BillQuery<XXXAggVO> query = new BillQuery<XXXAggVO>(XXXAggVO.class);
XXXAggVO[] aggVOs = query.query(pkstr);